noun
large serving; piled-high portion
Refers to a serving of food that is heaped up or generously portioned, often used in restaurant contexts.
この店のラーメンは高盛りにすると麺が倍になる。
If you order a large serving of ramen at this shop, you get double the noodles.
高盛りのご飯を頼んだら、本当に山盛りだった。
When I ordered a piled-high serving of rice, it really came as a mountain.
Compound of 高 (taka, 'high') and 盛り (mori, 'serving' or 'heap'), referring to a tall or heaped portion of food.